[PATCH] ARM: The mandatory barrier rmb() must be a dsb() in for device accesses
catalin.marinas at arm.com
Thu Apr 28 17:37:38 EDT 2011
On Thursday, 28 April 2011, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> So, what am I supposed to do with 6870/1 (rmb) and the wmb patch?
> One or other is wrong - they certainly are not both correct as rmb()
> can not be stronger than wmb().
Given Ming's reply to the wmb patch he posted, you should discard the
wmb patch. As for the rmb one (6870/1), I already explained why it is
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